| Value | Category | Cases | |
|---|---|---|---|
| 1 | Fever | 2166 |
10.6%
|
| 2 | Headache | 2760 |
13.4%
|
| 3 | Nausea | 803 |
3.9%
|
| 4 | Vomitting | 4062 |
19.8%
|
| 5 | Body weakness | 8361 |
40.7%
|
| 6 | Seizure | 849 |
4.1%
|
| 7 | Other | 1262 |
6.1%
|
| 8 | Do not know | 258 |
1.3%
|
| Sysmiss | 17567 |